docs: def convert_data(raw):
          """
          Validate that data is from RuuviTag and get correct data part.
  
          Returns:
              tuple (int, string): Data Format type and Sensor data
          """
          # TODO: Check from raw data correct data format
          # Now this returns 2 also for Data Format 4
          data = RuuviTagSensor._get_data_format_2and4(raw)
  
          if data is not None:
              return (2, data)
  
          data = RuuviTagSensor._get_data_format_3(raw)
  
          if data is not None:
              return (3, data)
  
          data = RuuviTagSensor._get_data_format_5(raw)
  
          if data is not None:
              return (5, data)
  
          return (None, None)